let errorMassage = document.getElementsByClassName("errorMassage")[0];
let input100s = document.getElementsByClassName("input100");
let turn_register=document.getElementsByClassName("turn_register")[0];

if(errorMassage.innerHTML!=""){
    setTimeout("clearError()",3000);
}

for (let i = 0; i < input100s.length; i++) {
    input100s[i].onfocus = function () {
        errorMassage.innerHTML = "";
    }
}

function clearError() {
    errorMassage.innerHTML = "";
}